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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 206 · 40 questions
TalentJR

Remember (All for series, any for parallel): Series switches (one path): the bulb glows only if ALL are ON. Parallel switches (side-by-side paths): the bulb glows if ANY one is ON. Mixed: work out each path, then ask if there is at least one complete path.

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  1. 1.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  2. 2.True or false: a toggle switch flips up or down. (a) False (b) True
  3. 3.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  4. 4.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  5. 5.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  6. 6.What does a toggle switch do? (a) stays where you flip it (b) slides side to side (c) works only while pressed (d) closes near a magnet
  7. 7.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  8. 8.🔘 A cell and a bulb are joined to 3 side-by-side paths with one switch on each path — A, B and C (parallel). A is OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  9. 9.What does a toggle switch do? (a) flips up or down (b) springs back when let go (c) closes when tipped over (d) closes near a magnet
  10. 10.True or false: a push button springs back when let go. (a) True (b) False
  11. 11.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  12. 12.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  13. 13.🔘 A cell and a bulb are joined to 2 side-by-side paths with one switch on each path — A and B (parallel). A is OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  15. 15.True or false: a toggle switch stays where you flip it. (a) True (b) False
  16. 16.🔘 A bulb and a cell are joined through 3 switches on 3 side-by-side paths, one switch on each path (parallel). What is the smallest number of switches that must be ON to light the bulb?
  17. 17.🔘 A cell and a bulb are joined to 4 side-by-side paths with one switch on each path — A, B, C and D (parallel). A is ON, B is OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  18. 18.True or false: a push button works only while pressed. (a) True (b) False
  19. 19.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  20. 20.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is ON and B is OFF. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 A cell and a bulb are joined to two side-by-side paths: path 1 has switches A and B one after another, path 2 has switch C. A is ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  22. 22.What does a tilt switch do? (a) springs back when let go (b) slides side to side (c) works only while pressed (d) closes when tipped over
  23. 23.What does a slide switch do? (a) flips up or down (b) closes near a magnet (c) closes when tipped over (d) slides side to side
  24. 24.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  25. 25.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  26. 26.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 A cell and a bulb are joined to two side-by-side paths: path 1 has switches A and B one after another, path 2 has switch C. A is OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  29. 29.True or false: a slide switch works only while pressed. (a) False (b) True
  30. 30.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  31. 31.🔘 A cell and a bulb are joined to 4 side-by-side paths with one switch on each path — A, B, C and D (parallel). A is ON, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  32. 32.What does a push button do? (a) springs back when let go (b) closes near a magnet (c) flips up or down (d) slides side to side
  33. 33.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  34. 34.True or false: a reed switch closes near a magnet. (a) False (b) True
  35. 35.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  36. 36.🔘 A cell and a bulb are joined to 2 side-by-side paths with one switch on each path — A and B (parallel). A is ON and B is ON. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 A cell and a bulb are joined to 4 side-by-side paths with one switch on each path — A, B, C and D (parallel). A is ON, B is OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 A cell and a bulb are joined to 3 side-by-side paths with one switch on each path — A, B and C (parallel). A is ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

  1. a toggle switch
  2. True
  3. a slide switch
  4. a push button
  5. closed
  6. stays where you flip it
  7. a push button
  8. No
  9. flips up or down
  10. True
  11. No
  12. when both are ON
  13. Yes
  14. Yes
  15. True
  16. 1
  17. Yes
  18. True
  19. opens or closes the loop
  20. No
  21. Yes
  22. closes when tipped over
  23. slides side to side
  24. 4
  25. when either is ON
  26. No
  27. No
  28. No
  29. False
  30. 3
  31. Yes
  32. springs back when let go
  33. 5
  34. True
  35. a toggle switch
  36. Yes
  37. Yes
  38. Yes
  39. Yes
  40. No

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